dridex | 1b8698f06793c5a91402355d96d2b89e8787d9108fa88c8e5848fa16b929c826

Analysis

max time kernel
152s
max time network
145s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 04:03

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General

Target

275dcc0705b070e7be9f71dfa74fe882.dll
Size

188KB
MD5

275dcc0705b070e7be9f71dfa74fe882
SHA1

ba562db861d1e1582ec82c75c8a3ea517a3d5525
SHA256

1b8698f06793c5a91402355d96d2b89e8787d9108fa88c8e5848fa16b929c826
SHA512

fd5824c2a52e647214a855d7a417e291322a8a4fc596a146c869a3a143243459ef6a942935f57b53caee1c39a833a4cb425c00c02161a6c0adeb0230a1ddf79b
SSDEEP

3072:SA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoao:SzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/3032-0-0x00000000751A0000-0x00000000751D0000-memory.dmp	dridex_ldr
behavioral1/memory/3032-2-0x00000000751A0000-0x00000000751D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	3032	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 3032	2064	rundll32.exe	28
PID 2064 wrote to memory of 3032	2064	rundll32.exe	28
PID 2064 wrote to memory of 3032	2064	rundll32.exe	28
PID 2064 wrote to memory of 3032	2064	rundll32.exe	28
PID 2064 wrote to memory of 3032	2064	rundll32.exe	28
PID 2064 wrote to memory of 3032	2064	rundll32.exe	28
PID 2064 wrote to memory of 3032	2064	rundll32.exe	28
PID 3032 wrote to memory of 2808	3032	rundll32.exe	31
PID 3032 wrote to memory of 2808	3032	rundll32.exe	31
PID 3032 wrote to memory of 2808	3032	rundll32.exe	31
PID 3032 wrote to memory of 2808	3032	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\275dcc0705b070e7be9f71dfa74fe882.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\275dcc0705b070e7be9f71dfa74fe882.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 308
    3⤵
    - Program crash
    PID:2808

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3032-0-0x00000000751A0000-0x00000000751D0000-memory.dmp

Filesize
192KB

Download
memory/3032-1-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3032-2-0x00000000751A0000-0x00000000751D0000-memory.dmp

Filesize
192KB

Download